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*(TODO : fusionner dans une même page propriétés par classe, plus propriétés clés, plus extensions)* |
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*(TODO : fusionner dans une même page propriétés par classe, plus propriétés clés)*
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## 1. Classe : dcat:CatalogRecord
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Les propriétés suivantes sont spécifiques à cette classe (dcat:CatalogRecord):
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+ [conforms to](https://gitlab.in2p3.fr/victoria.agazzi/guidelines_profil_application/-/wikis/Specification#),
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+ [creation date](https://gitlab.in2p3.fr/victoria.agazzi/guidelines_profil_application/-/wikis/Specification#),
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+ [identifier](https://gitlab.in2p3.fr/victoria.agazzi/guidelines_profil_application/-/wikis/Specification#),
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+ [language](https://gitlab.in2p3.fr/victoria.agazzi/guidelines_profil_application/-/wikis/Specification#),
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+ [primary topic](https://gitlab.in2p3.fr/victoria.agazzi/guidelines_profil_application/-/wikis/Specification#),
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+ [update/modification date](https://gitlab.in2p3.fr/victoria.agazzi/guidelines_profil_application/-/wikis/Specification#).
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| **RDF Class:** | [dcat:CatalogRecord](https://www.w3.org/TR/vocab-dcat-2/#Class:Catalog_Record) |
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|--------------------|--------------------|
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| Constraint | *Mandatory* |
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| Definition | A record in a catalog, describing the registration of a single [dcat:Resource](https://www.w3.org/TR/vocab-dcat-2/#Class:Resource). |
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| Usage note | *It exists for catalogs where a distinction is made between metadata about a dataset or service and metadata about the entry in the catalog about the dataset or service. For example, the publication date property of the dataset reflects the date when the information was originally made available by the publishing agency, while the publication date of the catalog record is the date when the dataset was added to the catalog.* |
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| See also | *[ Classe : dcat:Dataset ](https://www.w3.org/TR/vocab-dcat-2/#Class:Dataset)* |
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### 1.1 Propriété : foaf:primaryTopic
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| **RDF Property:** | [foaf:primaryTopic](http://xmlns.com/foaf/0.1/#term_primaryTopic) |
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|--------------------|--------------------|
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| Constraint | *Mandatory* |
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| Definition | The [dcat:Resource](https://www.w3.org/TR/vocab-dcat-2/#Class:Resource) (dataset or service) described in the record. |
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| Range | [dcat:Resource](https://www.w3.org/TR/vocab-dcat-2/#Class:Resource) |
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| Usage note | [foaf:primaryTopic](http://xmlns.com/foaf/0.1/#term_primaryTopic) property is functional: each catalog record can have at most one primary topic i.e. describes one dataset or service. |
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### 1.2 Propriété : dct:modified
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| **RDF Property:** | [dct:modified](http://purl.org/dc/terms/modified) |
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|--------------------|--------------------|
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| Constraint | *Mandatory* |
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| Definition | Most recent date on which the catalog entry was changed, updated or modified. |
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| Range | [rdfs:Literal](http://www.w3.org/2000/01/rdf-schema#Literal) encoded using the relevant ISO 8601 Date and Time compliant string [DATETIME](https://www.w3.org/TR/vocab-dcat-2/#bib-datetime) and typed using the appropriate XML Schema datatype [XMLSCHEMA11-2](https://www.w3.org/TR/vocab-dcat-2/#bib-xmlschema11-2) ([xsd:gYear](https://www.w3.org/TR/xmlschema11-2/#gYear), [xsd:gYearMonth](https://www.w3.org/TR/xmlschema11-2/#gYearMonth), [xsd:date](https://www.w3.org/TR/xmlschema11-2/#date), or [xsd:dateTime](https://www.w3.org/TR/xmlschema11-2/#dateTime)). |
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| Usage note | [foaf:primaryTopic](http://xmlns.com/foaf/0.1/#term_primaryTopic) property is functional: each catalog record can have at most one primary topic i.e. describes one dataset or service. |
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### 1.3 Propriété : dct:conformsTo (application profile)
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| **RDF Property:** | [dct:conformsTo](http://purl.org/dc/terms/conformsTo) |
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|--------------------|--------------------|
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| Constraint | *Recommended* |
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| Definition | An established standard to which the described resource conforms. |
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| Range | [dct:Standard](http://purl.org/dc/terms/Standard) (A basis for comparison; a reference point against which other things can be evaluated.) |
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| Usage note | This property should be used to indicate the model, schema, ontology, view or profile that the catalog record metadata conforms to. |
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### 1.4 Propriété : dcat:identifier
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| **RDF Property:** | [dcat:identifier](https://www.w3.org/TR/vocab-dcat-2/#Property:resource_identifier) |
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|--------------------|--------------------|
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| Constraint | *Recommended* |
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| Definition | A unique identifier for the Catalogue Record. |
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| Range | [rdfs:Literal](http://www.w3.org/2000/01/rdf-schema#Literal) |
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| Usage note | The identifier might be used as part of the URI of the item, but still having it represented explicitly is useful. |
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### 1.5 Propriété : dcat:created
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| **RDF Property:** | [dcat:created](https://www.dublincore.org/specifications/dublin-core/dcmi-terms/#http://purl.org/dc/terms/created) |
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|--------------------|--------------------|
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| Constraint | *Optional* |
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| Definition | Date of creation of the Catalog Record. |
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| Range | [rdfs:Literal](http://www.w3.org/2000/01/rdf-schema#Literal) typed as [xsd:date](https://www.w3.org/TR/xmlschema11-2/#date) or [xsd:dateTime](https://www.w3.org/TR/xmlschema11-2/#dateTime)|
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| Usage note | This property contains the date on which the Catalogue Record has been first created. |
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### 1.6 Propriété : dcat:language
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| **RDF Property:** | [dcat:language](https://www.w3.org/TR/vocab-dcat-2/#Property:resource_language) |
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|--------------------|--------------------|
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| Constraint | *Optional* |
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| Definition | The language of the resource. |
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| Range | [dct:LinguisticSystem](http://purl.org/dc/terms/LinguisticSystem) |
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| Usage note | This property refers to a language used in the textual metadata describing titles, descriptions, etc. of the Catalog Record. This property can be repeated if the metadata is provided in multiple languages. |
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### 1.7 Contexte et exemple en [RDF 1.1 Turtle](https://www.w3.org/TR/turtle/) de la classe [dcat:CatalogRecord](https://www.w3.org/TR/vocab-dcat-2/#Class:Catalog_Record).
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> Note : contexte Data Terra à rédiger.
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```turtle
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@prefix dct: <http://purl.org/dc/terms/> .
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@prefix dcat: <http://www.w3.org/ns/dcat#> .
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@prefix foaf: <http://xmlns.com/foaf/0.1/> .
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@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
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@prefix : <http://example-dataterra.org/> .
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:data_terra_catalog_record a dcat:CatalogRecord ;
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foaf:primaryTopic data_terra_dataset ;
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dct:modified "2020-03-25"^^xsd:date ;
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dct:identifier "af4c4fd6-0485-45c8-b6bc-8a8ed12aa3eb"^^xsd:string .
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```
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## 2. Classe : dcat:Dataset
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Les propriétés suivantes sont spécifiques à cette classe (dcat:Dataset):
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## 3. Classe : dct:Location
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## 4. Classe : dct:PeriodOfTime
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## 5. Classe : dcat:Relationship
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## 6. Classe : foaf:Agent
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## 7. Classe : dct:RightsStatement
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## 8. Classe : dcat:Distribution
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## 9. Classe : dcat:DataService
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## 10. Classe : dct:LicenseDocument
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## Extensions du profil d'application Data Terra
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### Les extensions spécifiques par domaine scientifique
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Le [tableau des extensions du profil d'application Data Terra] présente les ontologies identifiés à partir de lesquelles les métadonnées plus spécifiques d'un domaine scientifique particulier pourront être décrits avec plus de granularité ou finesse.
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Cette liste n'est pas exhaustive, elle est sensée être élargie selon l'avancement de l'intégration de données en provenance des différents compartiments du système.
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![Tableau des extensions du profil d'application Data Terra](images/extensions_profile.png "Tableau des extensions du profile d'application Data Terra")
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[tableau des extensions du profil d'application Data Terra]:images/extensions_profile.png
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[Tableau source ](https://gitlab.in2p3.fr/gaia-data/wp3-services/tache-3.2/-/blob/master/dataterra_geodcatap/model/extensions.md#domain-specific-complementary-ontologies)
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### Les extensions transversales aux domaines scientifiques
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Le [tableau des extensions transversales du profil d'application Data Terra] liste les ontologies proposés pour la description de la qualité des données et la description des provenance.
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![Tableau des extensions transversales du profil d'application Data Terra](images/extensions_tr_profile.png "Tableau des extensions transversales du profil d'application Data Terra")
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[tableau des extensions transversales du profil d'application Data Terra]:images/extensions_tr_profile.png
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[Tableau source ](https://gitlab.in2p3.fr/gaia-data/wp3-services/tache-3.2/-/blob/master/dataterra_geodcatap/model/extensions.md#transverse-complementary-ontologies) |
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